rhoSimpleFoam MRF pressure too low -- CFD Online Discussion Forums

February 22, 2022, 10:16

rhoSimpleFoam MRF pressure too low

Fouch

Member

Join Date: Feb 2020

Posts: 79

Rep Power: 6

Hi,

I still working on the simulation of fans using rhoSimpleFoam and MRF.
I compare my results with the results from experimental tests and CFX simulation.

The problem is I have a pressure to low on every running point...

I have re-checked the geometry and the dimensions are OK.

My mesh is OK according to checkMesh.
Residuals seems to converge.
But the result of OpenFOAM is 5% (on average) below the result of CFX.

Do you have any idea why ?

Here attached the case without the STL.

Best regards,

Attached Files

rotor.zip (49.2 KB, 2 views)

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